From Bugzilla Helper: User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.0+) Gecko/20020517 BuildID: 2002051704 The scroll bar scrolls up and down as if I were left clicking on the mouse and using it. All I do is move the mouse around on its own and the scroll bar scrolls just with the movement of the mouse. Reproducible: Sometimes Steps to Reproduce: 1.Ocassionally move the mouse without left clicking on the scroll bar. 2. 3. Actual Results: Scroll bar moves on its own. Expected Results: Scroll bar moves on its own.
There are various ways to trigger this phenomena. Meta bug is bug 67277. Resolving as dup of one of them since no exact way to reproduce is included here. *** This bug has been marked as a duplicate of 29300 ***